/* 手机优先、窄屏单列、系统配色、44px 最小触控高度。 */

:root {
  color-scheme: light dark;
  --bg: Canvas;
  --fg: CanvasText;
  --card: color-mix(in srgb, Canvas 92%, CanvasText);
  --muted: color-mix(in srgb, CanvasText 62%, Canvas);
  --line: color-mix(in srgb, CanvasText 18%, Canvas);
  --accent: Highlight;
  --danger: #c0392b;
  --ok: #1e8e3e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --danger: #ff6b5e;
    --ok: #5bb974;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-text-size-adjust: 100%;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.topbar h1 { font-size: 1.05rem; margin: 0; }

.status-chip {
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  white-space: nowrap;
}
.status-online { color: var(--ok); border-color: var(--ok); }
.status-offline { color: var(--muted); }

.column {
  max-width: 480px;
  margin: 0 auto;
  padding: 12px 16px calc(24px + env(safe-area-inset-bottom));
}

.stack { display: grid; gap: 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
}
.stack .card { margin-bottom: 0; }

.card h2 { font-size: 0.95rem; margin: 0 0 8px; }
.card h3 { font-size: 0.9rem; margin: 0 0 6px; }

.hint { color: var(--muted); font-size: 0.85rem; margin: 4px 0; }

label {
  display: block;
  font-size: 0.85rem;
  margin: 10px 0 4px;
}

input, select, textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  font-size: 1rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
}
textarea { min-height: 96px; resize: vertical; }

button {
  min-height: 44px;
  min-width: 44px;
  margin-top: 10px;
  padding: 10px 16px;
  font-size: 1rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--fg);
}
button:disabled { opacity: 0.5; }
button.primary { background: var(--accent); color: var(--bg); border-color: transparent; }
button.danger { color: var(--danger); border-color: var(--danger); }

button + button { margin-left: 8px; }

.message { min-height: 1.2em; font-size: 0.85rem; color: var(--danger); }

.offline-banner {
  background: color-mix(in srgb, var(--danger) 14%, var(--bg));
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.9rem;
}

.plain-list { list-style: none; margin: 8px 0; padding: 0; }
.plain-list li {
  padding: 8px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.task-item { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.task-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.task-status {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.event-stream {
  max-height: 320px;
  overflow-y: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}

.approval-card { border-color: var(--accent); }
.approval-summary { font-size: 0.92rem; overflow-wrap: anywhere; }
.approval-actions { display: flex; gap: 8px; }
.approval-actions button { flex: 1; }

.hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}